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tion to a digging life is brought about in quite a different waj
from that of the true Moles (jPrt/p«.). In the latter the fore-
limbs are changed in position by the elongation of the manubriurr
sterni, carrying with it the clavicles* -which are extraordinarily
shortened (Fig. 251). In Chrysochloris, on the other hand, the
same need (i.e, that the limbs project as little as possible from the
sides of the body, while the length of the limbs is retained, and the
leverage of the muscles unaffected; is provided for by a hollowing

Fia. 249.—Golden Mole.

ChrysocJiloris trevelyani.     A, Lower surface of fore-foot.
x j.     (After Guuther.)

out of the walls of the thorax, the ribs and the sternum hem:
here convex inwards. The sternum and the clavicles are no
modified. The tibia and fibula are ankylosed below. In th
rnanus, moreover, there are but four digits, of which the tw
middle ones are greatly enlaxged. In the Moles there are fiv
fingers, and all are enlarged ; there is, too, a great radial sesamoi
bone, which is as good as a sixth finger (which, indeed, it is cor
sidered to be, in common with similar structures in other animal
by some anat jmists). The foot has only four toes,
Fam. 7. Macrosceli^ae.1—-This family contains three gener;
all of them African in range, and mainly Ethiopian.
Macroscelidesy the Elepimnt Shrews, are jumping creatures <
Shrew-like appearance, combined with a Marsupial look, Bot
radius and ulna, and tibia and fibula, are ankylosed, The3
1 See Peters, Reise wzch, Jlfasanibiqws, 1852, for external characters and a